Table 2.

Description of the explanatory confounder variables

Variable	Description	Period	Source
% Municipality’s urbanization	Percentage of municipality’s inhabitants living in urban areas	2013*	IBGE
% Population served with Bolsa Família Program - BFP	Percentage of municipality’s population served by BFP (used as a poverty and social inequality identifier)	2013	MDS
% Population served by primary health care services	Percentage of municipality’s population attended by Family Health Teams and Primary Care Teams	2013	MS
% Population employed in agricultural sector − 18 years and over	Percentage of active population (18 years old and over) of each municipality employed in the agricultural sector	2013*	IBGE
Municipal Human Development Index: Education Component	Proxy of municipality’s population access to education. Its value ranges from 0 to 1	2013*	IBGE
Region	Country region where the municipality is inserted: 0 - Northeast, 1 - North, 2 - Southeast, 3 - South, 4 - Midwest, 5 - Federal District	-	IBGE

*Variables whose values ​​were obtained through population projections, MS Ministry of Health, MDS Ministry of Social Development.